(a) Except as otherwise provided by law, this section does not apply to a requirement or violation of:
(1) Subtitle 4 of this title;
(2) Title 7, Subtitle 1 of this article;
(3) Title 8, Subtitles 1 and 3 of this article; or
(4) Title 9, Subtitle 3 of this article.
(b) A public service company:
(1) shall comply fully with the requirements of this division; and
(2) may not violate any provision of this division.